GMC SIERRA 3500HD DENALI - LAMA - New Car/Winter Prep The Denali - Lama (per Eric Wong from came up from MD, while he was visiting his in-laws during the holidays. The Sierra needed some polishing and some areas required a little more. What was done - Exterior - Wheels were prepped with Sonax Wheel Cleaner and cleaned up with various brushes - Tires were spritzed down with Adam’s All Purpose Cleaner and washed down - Wheel wells were cleaned up - Pre Washed with W99 - Iron Cut - Wash down and rinsed - Door jambs were cleaned up - Clayed - Dried - Tires dressed - Masking - Paint Measurement - Meguiar's DA300 - Menzerna SF4000 - Inspection with Fenix, 3m Sun Gun, Infratech, and natural sunlight - Last Step – Wolf's Nano Sealant - Wheel wells were cleaned and dressed - Rubber and Plastics Treated - Exterior windows and mirrors cleaned and sealed - Exhaust tips cleaned - Windows were clayed, cleaned, and sealed Before Pics